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单词
decision tree learning
释义
decision tree learning
Encyclopedia
理学
决策树学习
释
decision tree learning
决策树学习
一类常见的机器学习方法。该类方法通过在训练数据集学习得到一个树形的决策模型。通常,一颗决策树包含一个根结点、若干个内部结点和若干个叶结点。其中,叶结点对应于决策结果,其他每个结点则对应于一个属性测试。每个结点包含的样本集合根据属性测试的结果被划分到子节点中;根节点包含样本全集。一旦一颗决策树构建完成,从根节点到每个叶子节点的路径对应了一个判定测试序列。
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